WHICH CALCULATOR?
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SAP 10 v1.0 Calculator
Approved by the BRE for calculations complying with SAP 10 in England, Wales and Scotland.
Use this calculator to generate SAP, DER, TER, DFEE, TFEE and EI calculations, produce submission for building regulations (Part L 2013, England; Part L 2014, Wales; Technical Handbook 2015, Scotland) and lodge Energy Performance Certificates for current regulations in England and Wales.
SAP 2012 Calculator v4.2
Approved by the BRE for calculations complying with SAP 2012 (version 9.92) in England, Wales, Northern Ireland and Scotland.
SAP 2009 Calculator v4.0
Approved by the BRE for calculations complying with SAP 2009 (version 9.90) in England, Wales, Northern Ireland and Scotland. Use this calculator to lodge Energy Performance Certificates in Northern Ireland.
SAP 2005 Calculator v3.2
Approved by the BRE for calculations complying with SAP 2005 (version 9.81) in England, Wales and Scotland.
SAP 2005 Calculator v2.0
Approved by the BRE for calculations complying with SAP 2005 (version 9.80) in England, Wales and Scotland.
U-Value Calculator
For calculation of U-values and Condensation Risk Analysis for a wide range of building constructions in accordance with BS EN 6946.